Roland Unruh

Leistungselektronik und Elektrische Antriebssysteme

Research Associate

Modular AC-DC converters for hydrogen production via water electrolysis

Office Address:
Pohlweg 55
33098 Paderborn
Room:
E4.113
Office hours:

by arrangement by e-mail

Publications

Latest Publications


Experimentally Verified 22 kW, 40 kHz LLC Resonant Converter Design with new Control for a 1 MW Cascaded H-Bridge Converter

R. Unruh, J. Böcker, F. Schafmeister, in: ECCE Europe 2024; IEEE Energy Conversion Congress & Exposition Europe, IEEE, Darmstadt, n.d.


Experimentally Verified 22 kW, 40 kHz LLC Resonant Converter Design with new Control for a 1 MW Cascaded H-Bridge Converter

R. Unruh, J. Böcker, F. Schafmeister, in: Proceedings of the Energy Conversion Congress & Expo (ECCE Europe), IEEE, 2024.


An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for all Power Factors

R. Unruh, J. Böcker, F. Schafmeister, in: 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe), IEEE, 2023.


Zero-Sequence Voltage Reduces DC-Link Capacitor Demand in Cascaded H-Bridge Converters for Large-Scale Electrolyzers by 40%

R. Unruh, F. Schafmeister, J. Böcker, in: 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), IEEE, 2022.


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